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// Copyright (c) 2013-2015 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "hash.h"
#include "utilstrencodings.h"
#include "test/test_bitcoin.h"
#include <vector>
#include <boost/test/unit_test.hpp>
using namespace std;
BOOST_FIXTURE_TEST_SUITE(hash_tests, BasicTestingSetup)
BOOST_AUTO_TEST_CASE(murmurhash3)
{
#define T(expected, seed, data) BOOST_CHECK_EQUAL(MurmurHash3(seed, ParseHex(data)), expected)
// Test MurmurHash3 with various inputs. Of course this is retested in the
// bloom filter tests - they would fail if MurmurHash3() had any problems -
// but is useful for those trying to implement Bitcoin libraries as a
// source of test data for their MurmurHash3() primitive during
// development.
//
// The magic number 0xFBA4C795 comes from CBloomFilter::Hash()
T(0x00000000, 0x00000000, "");
T(0x6a396f08, 0xFBA4C795, "");
T(0x81f16f39, 0xffffffff, "");
T(0x514e28b7, 0x00000000, "00");
T(0xea3f0b17, 0xFBA4C795, "00");
T(0xfd6cf10d, 0x00000000, "ff");
T(0x16c6b7ab, 0x00000000, "0011");
T(0x8eb51c3d, 0x00000000, "001122");
T(0xb4471bf8, 0x00000000, "00112233");
T(0xe2301fa8, 0x00000000, "0011223344");
T(0xfc2e4a15, 0x00000000, "001122334455");
T(0xb074502c, 0x00000000, "00112233445566");
T(0x8034d2a0, 0x00000000, "0011223344556677");
T(0xb4698def, 0x00000000, "001122334455667788");
#undef T
}
BOOST_AUTO_TEST_CASE(siphash)
{
CSipHasher hasher(0x0706050403020100ULL, 0x0F0E0D0C0B0A0908ULL);
BOOST_CHECK_EQUAL(hasher.Finalize(), 0x726fdb47dd0e0e31ull);
static const unsigned char t0[1] = {0};
hasher.Write(t0, 1);
BOOST_CHECK_EQUAL(hasher.Finalize(), 0x74f839c593dc67fdull);
static const unsigned char t1[7] = {1,2,3,4,5,6,7};
hasher.Write(t1, 7);
BOOST_CHECK_EQUAL(hasher.Finalize(), 0x93f5f5799a932462ull);
hasher.Write(0x0F0E0D0C0B0A0908ULL);
BOOST_CHECK_EQUAL(hasher.Finalize(), 0x3f2acc7f57c29bdbull);
static const unsigned char t2[2] = {16,17};
hasher.Write(t2, 2);
BOOST_CHECK_EQUAL(hasher.Finalize(), 0x4bc1b3f0968dd39cull);
static const unsigned char t3[9] = {18,19,20,21,22,23,24,25,26};
hasher.Write(t3, 9);
BOOST_CHECK_EQUAL(hasher.Finalize(), 0x2f2e6163076bcfadull);
static const unsigned char t4[5] = {27,28,29,30,31};
hasher.Write(t4, 5);
BOOST_CHECK_EQUAL(hasher.Finalize(), 0x7127512f72f27cceull);
hasher.Write(0x2726252423222120ULL);
BOOST_CHECK_EQUAL(hasher.Finalize(), 0x0e3ea96b5304a7d0ull);
hasher.Write(0x2F2E2D2C2B2A2928ULL);
BOOST_CHECK_EQUAL(hasher.Finalize(), 0xe612a3cb9ecba951ull);
BOOST_CHECK_EQUAL(SipHashUint256(0x0706050403020100ULL, 0x0F0E0D0C0B0A0908ULL, uint256S("1f1e1d1c1b1a191817161514131211100f0e0d0c0b0a09080706050403020100")), 0x7127512f72f27cceull);
}
BOOST_AUTO_TEST_SUITE_END()
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